Stephen Bruemmer

Exploring the Mechanistics of Stress Corrosion Cracking Through Fundamental Studies of Material Degradation in Hostile Environments

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Daniel Schreiber

Environmental degradation is a vital concern in high-temperature, hostile environments found in current and future generation power generation systems. Despite decades of research, there is no…

Exploring the Mechanistics of Stress Corrosion Cracking Through Fundamental Studies of Material Degradation in Hostile Environments

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Daniel Schreiber

Environmental degradation is a vital concern in high-temperature, hostile environments found in current and future generation power generation systems. Despite decades of research, there is no…

Mechanistic Insights into Stress Corrosion Cracking through Fundamental Studies of Selective Oxidation Mechanisms

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Daniel Schreiber

Materials degradation and failure in hostile environments are critical issues affecting current and future generations of power generation systems. In this research, we seek to elucidate the…

Precursor Evolution and SCC Initiation of Cold-Worked Alloy 690 in Simulated PWR Primary Water

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Karen Kruska

We suggest to use FIB/SEM sequential milling either manually or with the slice and view application to study stress corrosion cracking (SCC) precursors in cold-worked Alloy 690 specimens. Although to…

Mechanistic Insights into Stress Corrosion Cracking through Fundamental Studies of Selective Oxidation Mechanisms

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Daniel Schreiber

Materials degradation and failure in hostile environments are critical issues affecting current and future generations of power generation systems. In this research, we seek to elucidate the…

Mechanistic Insights into Stress Corrosion Cracking through Fundamental Studies of Selective Oxidation Mechanisms

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Daniel Schreiber

Materials degradation and failure in hostile environments are critical issues affecting current and future generations of power generation systems. In this research, we seek to elucidate the…

Mechanistic Insights into Stress Corrosion Cracking through Fundamental Studies of Selective Oxidation Mechanisms

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Karen Kruska

Materials degradation and failure in hostile environments are critical issues affecting current and future generations of power generation systems. In this research, we seek to elucidate the…

Heavy Ion Damage in Stainless Steel Alloys

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Bruce Arey

Project type

Exploratory Research

We plan to do a series of experiments using Nickel ions, with variations in temperature and damage rate. The first year, we have a matrix of three alloys, two temperatures and four damage rate…

MECHANISMS OF ENVIRONMENT-ASSISTED
DEGRADATION IN REACTOR MATERIALS

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Stephen Bruemmer

Project type

Exploratory Research

See Attachment "emsl proposal 2.doc"

Exploring the crick-tip mechanisms driving environmental degradation of alloys through controlled oxidation study of alloyed nanoparticles

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Chongmin Wang

Project type

Exploratory Research

Nanoparticles offer a unique way to observe the formation of small voids produced by vacancy injection during early stages of oxidation without sample cutting or polishing. Recent work at PNNL on…

Advanced microstructural analyses of materials degradation and atomic transport in extreme environments

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Daniel Schreiber

Environmental degradation is a major problem in high-temperature water environments such as those found in nuclear reactors and other forms of steam generator and high-temperature turbine…

EMSL Science Overview

Stephen Bruemmer

Projects

Exploring the Mechanistics of Stress Corrosion Cracking Through Fundamental Studies of Material Degradation in Hostile Environments

Exploring the Mechanistics of Stress Corrosion Cracking Through Fundamental Studies of Material Degradation in Hostile Environments

Mechanistic Insights into Stress Corrosion Cracking through Fundamental Studies of Selective Oxidation Mechanisms

Precursor Evolution and SCC Initiation of Cold-Worked Alloy 690 in Simulated PWR Primary Water

Mechanistic Insights into Stress Corrosion Cracking through Fundamental Studies of Selective Oxidation Mechanisms

Mechanistic Insights into Stress Corrosion Cracking through Fundamental Studies of Selective Oxidation Mechanisms

Mechanistic Insights into Stress Corrosion Cracking through Fundamental Studies of Selective Oxidation Mechanisms

Heavy Ion Damage in Stainless Steel Alloys

MECHANISMS OF ENVIRONMENT-ASSISTED
DEGRADATION IN REACTOR MATERIALS

Exploring the crick-tip mechanisms driving environmental degradation of alloys through controlled oxidation study of alloyed nanoparticles

Advanced microstructural analyses of materials degradation and atomic transport in extreme environments